Umbrella hub



FIG. 1 is a perspective view of one embodiment of an umbrella hub showing a new design;

FIG. 2 is a side elevation view of the design of FIG. 1;

FIG. 3 is a top view of the design of FIG. 1;

FIG. 4 is a bottom view of the design of FIG. 1;

FIG. 5 is a side elevation view of the hub of FIG. 1 showing an umbrella in phantom lining, an umbrella being one non-limiting environment in which the new design can be used; and,

FIG. 6 is a close-up perspective view of a portion of FIG. 5.

Broken lines, where utilized, are for illustration purposes only and form no part of the claimed design. 

The ornamental umbrella hub, as shown and described. 